United States of AmericaCountries United States of America Illinois O'Fallon Rainfall
United States of AmericaUnited States of America Illinois O'Fallon
O'Fallon
Average rainfall
ClimateForecastNovemberDecember >>

O'Fallon (IL) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in O'Fallon (Illinois). The numbers are calculated over a 30-year period to provide a reliable average.

  • A lot of rain (rainy season) falls in the months: April, May, June, July and September.
  • On average, June is the wettest month with 142 mm of precipitation.
  • On average, January is the driest month with 56 mm of precipitation.
  • The average amount of annual precipitation is 1171 mm.

Current rainfall in O'Fallon (IL)

Wed   Nov 27
10°C | 3°C
NE 11 km/h
7.5 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Thu   Nov 28
6°C | -1°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Fri   Nov 29
3°C | -4°C
W 25 km/h
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in O'Fallon.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

 

Travel Inspiration